4,200 mAh Dual Output Power Bank. Highest quality Grade A Lithium Polymer batteries. Charge 2 devices at once. Compatible with any USB-chargeable device such as iPhone, iPad, Samsung Galaxy, etc. Includes micro-USB cable to charge the PowerGrid, and cable can be used to then charge a micro USB device; 5 lights indicate charge level; PowerGrid automatically detects a device and begins charging. If not in use for 7 seconds, the PowerGrid automatically turns off.
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